Home / 1,545,103,481.80-2,317,655,222.70-728,810,105.80

Finding the Fourth Proportional to 1,545,103,481.80, 2,317,655,222.70 and 728,810,105.80

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Solution

The fourth proportional to 1,545,103,481.80, 2,317,655,222.70 and 728,810,105.80 is: 1,093,215,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,103,481.80 : 2,317,655,222.70 = 728,810,105.80 : x
  2. Step 2: Convert to fraction form
    1,545,103,481.80/2,317,655,222.70 = 728,810,105.80/x
  3. Step 3: Cross multiply
    1,545,103,481.80x = 2,317,655,222.70 × 728,810,105.80
  4. Step 4: Simplify right side
    1,545,103,481.80x = 1,689,130,548,063,909,376
  5. Step 5: Solve for x
    x = 1,689,130,548,063,909,376/1,545,103,481.80
  6. Step 6: Final answer
    x = 1,093,215,158.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.